17 System ZZ-Fire protection mastic NE for cable penetration seals up to EI 120 The System ZZ-Fire protection mastic NE restores the fire resistance in areas of walls and floors where cables penetrate the component.

18 System ZZ-Fire protection mastic NE ETA-13/0093 Cable penetration seal up to EI 120 for rigid walls, rigid floors and flexible walls. Through penetration firestop system for electrical, telecommunication and optical fibre cables. a b a. System ZZ-Fire protection mastic NE in rigid wall b. System ZZ-Fire protection mastic NE in flexible wall Specially suited for: 1. Fast and easy sealing of component openings 2. Small through penetration firestop systems, 3. Openings that are difficult to access or that are irregular Fundamentals Deutsch / For execution of the through penetration firestop system the European technical approval ETA-13/0093 issued by the Austrian Institute of Construction Engineering (Österreichisches Institut für Bautechnik) is authoritative. / All technical specifications of the ETA, such as maximum opening size, wall types / floor types, fire resistance classifications, penetrating elements and the first support of the penetrating elements, working clearances, etc. are provided in the approval. / It must be ensured that the stability of the adjacent component is not impaired through installation of the through penetration firestop system, even in the event of fire. The information specified in the usability certification must be complied with. / All applicable directives and technical rules of other trades, particularly electrical engineering directives and technical rules, must be complied with. / Through penetration firestop systems in floors must be safeguarded against loads, in particular also against being walked on, through suitable measures (e.g. through enclosure or through covering with a grate). / In accordance with ETAG 026-2, the through penetration firestop system can be assigned to use category Z 1. This means that the permissible ambient conditions for use of the product are indoor areas with humidity and temperatures above 0 C. / Comply with the instructions on the safety data sheets for the products. English 18

20 System ZZ-Fire protection mastic NE ETA-13/0093 General instructions / The cables must be fastened on the cable trays and cable ladders or in support devices in accordance with the technical rules. / The cable support systems (cable trays and ladders) and the associated supports or fastenings must be made of steel and fastened on both sides of the through penetration firestop systems in such a manner that in the event of fire, additional mechanical stress cannot act on the through penetration firestop systems over the period of time specified by the required fire resistance class. In this regard, the technical rules and specifications provided by the manufacturer of the cable support system and of the fastening system must be complied with. / The total cross section area of the penetrating elements based on the area of the through penetration firestop system must not exceed 60 %. / The first support of the cables must be mounted maximum 200 mm in front of the through penetration firestop system for wall installation and 250 mm for floor installation (maximum distance in floors only required top-side). 1) 2) 3) > 25 > 50 1) 2) < 250 4) 5) 3) 6) < 200 < 200 4) Deutsch English Fig. 1: Support of cables in walls Legend 1) Rigid wall 2) For fire resistance class EI 120: Lining of drywall, silicate or calcium silicate board 3) For fire resistance class EI 120: Board frame (width 50 mm) of drywall, silicate or calcium silicate board 4) ZZ-Mastic NE 5) Cables 6) First support of the cables Fig. 2: Support of cables in floors Legend 1) First support of the cables 2) Rigid floor 3) ZZ-Mastic NE 4) Cables 20

24 System ZZ-Fire protection mastic NE ETA-13/0093 Particularities for installation in rigid walls of fire resistance class EI 120 / If the thickness of the rigid wall in the area of the through penetration firestop system is less than the required minimum seal thickness, then all around the opening, either an enclosing lining (see Fig. 2) or a board frame (see Fig. 1) of non-flammable drywall or silicate or calcium silicate boards (class A2-s1, d0 or A1 in accordance with EN ) must be provided. / The individual lining parts (at least 2 x 12.5 mm or at least 25 mm thick) are jammed together in the opening. The joint between rigid wall and lining must be sealed, for example, with plaster filler. Fastening with screws can be dispensed with. / For the fastening of the board frame (at least 50 mm wide) screws and metal anchors or screw anchors that are sufficiently large / long and suitable for the substrate must be used. In aerated concrete dry-wall screws or chipboard screws without dowels must be used. At least two screws per board must be used, the distance between screws must be a maximum of 150 mm. Particularities for installation in rigid floors / Through penetration firestop systems in floors must be safeguarded against loads, particularly they must be safeguarded against being walked on, through a grate covering or enclosure. Particularities for installation in flexible walls Deutsch / If a lining is not used, the cavity between the boards of the flexible wall must be plugged tightly with mineral wool (melting point 1000 C, minimum density 40 kg /m³) at least 10 cm around the perimeter. / For timber stud walls, at least a distance of 100 mm between the through penetration firestop system and timber studs must be present, and the cavity between must be plugged with mineral wool (classification A2-s1, d0 or A1 in accordance with EN ). The timber stud cross section should be at least 50 mm x 75 mm (width x depth). English 24

25 Installation manual Particularities for installation in flexible walls of fire resistance class EI 120 / If the thickness of the flexible wall in the area of the through penetration firestop system is less than the required minimum seal thickness, then all around the opening, either an enclosing lining (see Fig. 2) or a board frame (see Fig. 1) of non-flammable drywall or silicate or calcium silicate boards (class A2-s1, d0 or A1 in accordance with EN ) must be provided. / The individual lining parts (at least 2 x 12.5 mm or at least 25 mm thick) are jammed together in the opening. The joint between flexible wall and lining must be sealed, for example, with plaster filler. Fastening with screws can be dispensed with. / For the fastening of the board frame (at least 50 mm wide) dry-wall screws or chipboard screws that are sufficiently large / long must be used. At least two screws per board must be used, the distance between screws must be a maximum of 150 mm. Board frame and lining (only required for fire resistance class EI 120) Fig. 1: Fig. 2: Board frame for rigid wall and flexible wall (arranged either on one side or both sides) Lining for flexible wall and rigid wall (either flush on one side or centered) Deutsch English 25

26 System ZZ-Fire protection mastic NE ETA-13/ Installation steps Deutsch The approval, ETA-13/0093, and the respective national regulations are authoritative for execution of the through penetration firestop system. 1. Clean before installing the component opening. Surfaces on which the ZZ-Mastic NE is applied should be free of dirt, oil, wax and grease. 2. Backfill material, consisting of mineral wool, cardboard or polyethylene (e.g. PE round cords) can be used. It must be ensured that the minimum fill depth of the ZZ-Mastic NE can be complied with. 3. For larger openings in floors the use of a form work on the underside of the floor (e.g. cardboard) is recommended. This can remain on the through penetration firestop system. 4. Hold the cartridge vertically, cut off the tip with a sharp knife, and screw on the nozzle. The nozzle can be shortened as needed. 5. Insert the cartridge into the intended dispensing gun. 6. ZZ-Mastic NE must be introduced uniformly into the opening from back to front. 7. Smoothing can be executed with a smoothing trowel or a brush, for example, with a little water. English 26

27 Installation manual Retroactive installation of cables / New penetrating elements can be routed through the existing cable penetration seal. Use a suitable cutting / drilling tool to make sufficiently large openings in the penetration seal. (In compliance with the necessary protective measures and safety regulations). / Cavities or gaps around the newly added penetrating elements or due to removed cables must be refilled with ZZ-Mastic NE. / The newly added penetrating elements must satisfy all ETA requirements (e.g. first support). Supplemental national requirements Germany / The through penetration firestop system must be permanently marked with an identification plate. / After the tasks have been concluded a written confirmation of conformance must be given to the client. Deutsch English 27

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